<template>
  <div class="app-container">
    <div class="search-container">
      <el-form :model="searchObj" :inline="true">
        <el-form-item label="关 键 字">
          <el-input style="width: 95%" v-model="searchObj.keyword" placeholder="用户名/姓名/手机号码"></el-input>
        </el-form-item>
        <el-form-item>
          <el-form-item label="操作时间">
            <el-date-picker v-model="createTimes" type="datetimerange" range-separator="至" start-placeholder="开始时间"
              end-placeholder="结束时间" value-format="yyyy-MM-dd HH:mm:ss" style="margin-right: 10px;width: 100%;" />
          </el-form-item>
          <el-button type="primary" icon="el-icon-search" @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" @click="resetData">重置</el-button>
        </el-form-item>
      </el-form>
    </div>

    <el-card>
      <template #header>
        <el-button type="success" icon="el-icon-plus" @click="add()"><i-ep-plus />新增</el-button>
      </template>

      <!-- 列表 -->
      <el-table v-loading="listLoading" max-height="420" :data="list" stripe border
        style="width: 100%; margin-bottom: 20px;">

        <el-table-column label="序号" width="70" align="center">
          <template slot-scope="scope">
            {{ (page - 1) * limit + scope.$index + 1 }}
          </template>
        </el-table-column>

        <el-table-column prop="username" label="用户名" width="180" />
        <el-table-column prop="name" label="姓名" width="110" />
        <el-table-column prop="phone" label="手机" />
        <el-table-column prop="email" label="邮箱" />
        <el-table-column prop="description" label="描述" :show-overflow-tooltip="true" />
        <el-table-column label="状态" width="80">
          <template slot-scope="scope">
            <el-switch :disabled="scope.row.id == 1" v-model="scope.row.status === 1" @change="switchStatus(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column prop="createTime" label="创建时间" />
        <el-table-column label="操作" align="center" fixed="right" width="200">
          <template slot-scope="scope">
            <el-button type="primary" :disabled="scope.row.id == 1" icon="el-icon-edit" size="mini"
              @click="edit(scope.row.id)" title="修改" />
            <el-button type="danger" :disabled="scope.row.id == 1" icon="el-icon-delete" size="mini"
              @click="removeDataById(scope.row.id)" title="删除" />
            <el-button type="warning" :disabled="scope.row.id == 1" icon="el-icon-baseball" size="mini"
              @click="showAssignRole(scope.row)" title="分配角色" />
          </template>
        </el-table-column>
      </el-table>

      <el-pagination @current-change="fetchData" @size-change="handleSizeChange" :current-page="page"
        :page-sizes="[10, 20, 50, 100]" :page-size="size" layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>

    <!--分配角色弹窗-->
    <el-dialog title="分配角色" :visible.sync="dialogRoleVisible">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input disabled :value="sysUser.username"></el-input>
        </el-form-item>

        <el-form-item label="角色列表" prop="roleIds">
          <el-select v-model="sysUser.roleIds" multiple placeholder="请选择">
            <el-option v-for="item in roleOptions" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer">
        <el-button type="primary" @click="assignRole" size="small">保存</el-button>
        <el-button @click="dialogRoleVisible = false" size="small">取消</el-button>
      </div>
    </el-dialog>

    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form ref="dataForm" :rules="userRules" :model="sysUser" label-width="100px" size="small"
        style="padding-right: 40px;">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="sysUser.username" placeholder="请输入用户名" />
        </el-form-item>
        <el-form-item v-if="!sysUser.id" label="密码" prop="password">
          <el-input v-model="sysUser.password" type="password" placeholder="请输入密码" />
        </el-form-item>
        <el-form-item label="姓名" prop="name">
          <el-input v-model="sysUser.name" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="sysUser.phone" placeholder="请输入手机号码" />
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="sysUser.email" placeholder="请输入邮箱地址" />
        </el-form-item>
        <el-form-item label="所属角色" prop="roleIds">
          <el-select v-model="sysUser.roleIds" :disabled="sysUser.id" multiple placeholder="请选择">
            <el-option v-for="item in roleOptions" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="描述" prop="description">
          <el-input type="textarea" :rows="3" v-model="sysUser.description" placeholder="请输入描述信息" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>
<script>
import api from '@/api/system/user'
import roleApi from '@/api/system/role'

export default {
  data() {
    return {
      userRules: {
        username: [{ required: true, trigger: 'blur', message: '用户名不能为空' }],
        password: [{ required: true, trigger: 'blur', message: '密码不能为空' }],
        name: [{ required: true, trigger: 'blur', message: '姓名不能为空' }],
        phone: [{ required: true, trigger: 'blur', message: '手机号码不能为空' }],
        email: [{ required: true, trigger: 'blur', message: '邮箱号码不能为空' }],
        roleIds: [{ required: true, trigger: 'blur', message: '所属角色不能为空' }]
      },
      listLoading: false, // 数据是否正在加载
      list: null, // 列表
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 10, // 每页记录数
      searchObj: {}, // 查询表单对象

      createTimes: [],

      dialogVisible: false,
      sysUser: {},
      updateStatusDto: {},

      dialogRoleVisible: false,
      allRoles: [], // 所有角色列表
      userRoleIds: [], // 用户的角色ID的列表
      isIndeterminate: false, // 是否是不确定的
      checkAll: false, // 是否全选
      roleOptions: []
    }
  },
  created() {
    //调用列表方法
    this.fetchData()
    this.getRoleList()
  },
  methods: {
    handleSizeChange(val) {
      this.size = val
      this.fetchData()
    },
    clearValidate() {
      this.$nextTick(() => {
        // 清空校验规则
        this.$refs.dataForm.clearValidate()
      })
    },
    //展示分配角色
    showAssignRole(row) {
      this.sysUser = row
      this.dialogRoleVisible = true
      roleApi.getRolesByUserId(row.id).then(response => {
        this.allRoles = response.data.allRoles
        console.log(this.allRoles)
        this.userRoleIds = response.data.userRoleIds
        console.log(this.userRoleIds)
        this.checkAll = this.userRoleIds.length === this.allRoles.length
        this.isIndeterminate = this.userRoleIds.length > 0 && this.userRoleIds.length < this.allRoles.length
      })
    },

    /*
    全选勾选状态发生改变的监听
    */
    handleCheckAllChange(value) {// value 当前勾选状态true/false
      // 如果当前全选, userRoleIds就是所有角色id的数组, 否则是空数组
      this.userRoleIds = value ? this.allRoles.map(item => item.id) : []
      // 如果当前不是全选也不全不选时, 指定为false
      this.isIndeterminate = false
    },

    /*
    角色列表选中项发生改变的监听
    */
    handleCheckedChange(value) {
      const { userRoleIds, allRoles } = this
      this.checkAll = userRoleIds.length === allRoles.length && allRoles.length > 0
      this.isIndeterminate = userRoleIds.length > 0 && userRoleIds.length < allRoles.length
    },

    //分配角色
    assignRole() {
      let assginRoleVo = {
        userId: this.sysUser.id,
        roleIdList: this.sysUser.roleIds
      }
      roleApi.assignRoles(assginRoleVo).then(response => {
        this.$message.success(response.message || '分配角色成功')
        this.dialogRoleVisible = false
        this.fetchData(this.page)
      })
    },
    //更改用户状态
    switchStatus(row) {
      //判断，如果当前用户可用，修改禁用
      row.status = row.status === 1 ? 0 : 1
      this.updateStatusDto.id = row.id
      this.updateStatusDto.status = row.status
      api.updateStatus(this.updateStatusDto)
        .then(response => {
          this.$message.success(response.message || '操作成功')
          this.fetchData()
        })
    },
    //删除
    removeDataById(id) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        //调用方法删除
        api.removeById(id)
          .then(response => {
            //提示
            this.$message({
              type: 'success',
              message: '删除成功!'
            });
            //刷新
            this.fetchData()
          })
      })
    },
    //根据id查询，数据回显
    edit(id) {
      //弹出框
      this.dialogVisible = true
      //调用接口查询
      api.getUserId(id)
        .then(response => {
          this.sysUser = response.data
        })
      this.clearValidate()
    },
    //添加或者修改方法
    saveOrUpdate() {
      this.$refs.dataForm.validate(valid => {
        if (valid) {
          if (!this.sysUser.id) {
            this.save()
          } else {
            this.update()
          }
        } else {
          return false;
        }
      })
    },
    //修改
    update() {
      api.update(this.sysUser)
        .then(response => {
          //提示
          this.$message.success('操作成功')
          //关闭弹框
          this.dialogVisible = false
          //刷新
          this.fetchData()
        })
    },
    //添加
    save() {
      api.save(this.sysUser)
        .then(response => {
          //提示
          this.$message.success('操作成功')
          //关闭弹框
          this.dialogVisible = false
          //刷新
          this.fetchData()
        })
    },
    //添加弹框的方法
    add() {
      this.dialogVisible = true
      this.sysUser = {}
      this.clearValidate()
    },
    // 重置查询表单
    resetData() {
      console.log('重置查询表单')
      this.searchObj = {}
      this.createTimes = []
      this.fetchData()
    },
    //列表
    fetchData(page = 1) {
      this.listLoading = true
      this.page = page
      if (this.createTimes && this.createTimes.length == 2) {
        this.searchObj.createTimeBegin = this.createTimes[0]
        this.searchObj.createTimeEnd = this.createTimes[1]
      }
      api.getPageList(this.page, this.limit, this.searchObj)
        .then(response => {
          this.list = response.data.list
          this.total = response.data.total
        }).finally(() => {
          this.listLoading = false;
        })
    },
    //角色列表
    getRoleList() {
      roleApi.getAllRoles()
        .then(response => {
          this.roleOptions = response.data
          console.log(this.roleOptions)
        })
    }
  }
}
</script>